Shengzou's ready-to-sterilize stoppers have all characteristics of the pharmaceutical halogenated butyl rubber stopper.

In order to reach lower particles and strong compatibility with medcines, ShengZou applies the excellence washing process system using water for injection system. The performance is improved greatly to produce great quality rubber stopper for pharmaceutical use.

By following cGMP standards, ShengZou can provide a clean and safe product for customers.